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Size ranking · Oklahoma · NCUA 5300 data as of Q2 2026

Largest Credit Unions in Oklahoma by Total Assets

Credit unions are ranked by headquarters state: this list covers the 51 credit unions headquartered in Oklahoma, by total assets. Tinker Federal Credit Union is the largest, with $6.12B in total assets and 488,459 members as of June 30, 2026, from its NCUA 5300 call report.

Largest in Oklahoma
Tinker Federal Credit Union
Its total assets
$6.12B
Credit unions in Oklahoma
51
Their combined assets
$21.18B

Every credit union in Oklahoma, by assets

Select a column heading to sort. Ranked within Oklahoma by total assets, Q2 2026.

Credit unions headquartered in Oklahoma ranked by total assets, Q2 2026, with city, members and net worth ratio.
1 Tinker Federal Credit Union Oklahoma City $6.12B 488,459 14.72%
2 Ttcu Federal Credit Union Tulsa $2.71B 147,634 13.45%
3 Communication Federal Credit Union Oklahoma City $2.38B 134,555 11.83%
4 Weokie Federal Credit Union Oklahoma City $1.50B 69,632 13.45%
5 Truity Federal Credit Union Bartlesville $1.32B 76,124 8.76%
6 Westreet Federal Credit Union Tulsa $966.8M 61,218 9.55%
7 Oklahoma's Federal Credit Union Oklahoma City $954.5M 60,077 12.63%
8 Oklahoma Central Credit Union Tulsa $760.2M 43,241 13.94%
9 Fort Sill Federal Credit Union Fort Sill $394.2M 23,088 11.57%
10 Allegiance Federal Credit Union Oklahoma City $372.5M 23,942 9.67%
11 Oklahoma Educators Credit Union Oklahoma City $305.2M 11,106 11.26%
12 Energy One Federal Credit Union Tulsa $300.7M 16,357 11.28%
13 Red Crown Federal Credit Union Tulsa $256.7M 18,433 10.73%
14 Okunity Federal Credit Union Stillwater $214.7M 12,836 12.33%
15 U.S. Employees O.C. Federal Credit Union Oklahoma City $213.5M 15,372 16.31%
16 Oklahoma Federal Credit Union Oklahoma City $198.9M 9,502 20.23%
17 Endurance Federal Credit Union Duncan $196.5M 13,200 13.69%
18 Municipal Employees Credit Union of Oklahoma City Oklahoma City $190.5M 9,442 8.79%
19 Western Sun Federal Credit Union Broken Arrow $181.5M 25,873 17.57%
20 Red River Federal Credit Union Altus $168.4M 9,090 12.10%
21 The Focus Federal Credit Union Oklahoma City $163.2M 12,390 8.99%
22 Green Country Federal Credit Union Sand Springs $155.4M 11,402 8.47%
23 First Family Federal Credit Union Henryetta $154.4M 19,340 11.63%
24 Southwest Oklahoma Federal Credit Union Lawton $116.4M 4,818 19.32%
25 Muskogee Federal Credit Union Muskogee $112.0M 8,184 12.75%
26 Cherokee Strip Credit Union Ponca City $106.0M 9,032 9.86%
27 O.U. Federal Credit Union Norman $82.7M 14,308 7.76%
28 Diamond Federal Credit Union Tulsa $65.5M 7,891 15.15%
29 Fraternal Order of Police Federal Credit Union Tulsa $56.7M 3,292 12.39%
30 Employees Federal Credit Union Tulsa $46.8M 3,397 8.54%
31 Fire Fighters Credit Union Tulsa $45.4M 2,710 20.72%
32 Saint Francis Employees Federal Credit Union Tulsa $44.7M 5,901 15.92%
33 Bison Federal Credit Union Shawnee $42.5M 3,789 15.26%
34 Credit Union One of Oklahoma Oklahoma City $39.9M 3,407 14.87%
35 Comanche County Federal Credit Union Lawton $36.4M 3,228 18.78%
36 Ok Federal Credit Union Bartlesville $26.4M 3,557 15.85%
37 Energize Credit Union Oklahoma City $25.4M 2,741 13.83%
38 Department of Public Safety Federal Credit Union Oklahoma City $25.3M 2,396 17.12%
39 Ok Members First Federal Credit Union Tulsa $24.4M 3,263 14.87%
40 Encentus Federal Credit Union Tulsa $21.4M 4,527 17.05%
41 Integris Federal Credit Union Oklahoma City $14.4M 1,678 11.50%
42 McAlester Aap Federal Credit Union McAlester $12.4M 1,330 38.37%
43 Correctional Workers Federal Credit Union El Reno $10.5M 1,476 17.88%
44 United Members Federal Credit Union Tulsa $10.4M 1,224 18.62%
45 Arbuckle Federal Credit Union Ada $10.3M 1,035 8.37%
46 Cooperative Employees Credit Union Anadarko $10.0M 956 10.37%
47 Teachers Credit Union Oklahoma City $6.3M 1,282 31.52%
48 Growing Oaks Federal Credit Union Goldsby $4.1M 504 9.54%
49 Otoe-Missouria Federal Credit Union Red Rock $3.5M 714 9.17%
50 Velma Federal Credit Union Velma $3.1M 689 15.16%
51 Morning Star Federal Credit Union Tulsa $1.1M 402 5.78%

Frequently asked questions

What is the largest credit union in Oklahoma?

Tinker Federal Credit Union is the largest credit union headquartered in Oklahoma by total assets, with $6.12B and 488,459 members as of June 30, 2026, according to its NCUA 5300 call report. Ttcu Federal Credit Union ranks second with $2.71B.

How many credit unions are in Oklahoma?

51 active federally insured credit unions headquartered in Oklahoma filed an NCUA 5300 call report for Q2 2026, with combined total assets of $21.18B. A credit union based in another state can still have branches and members in Oklahoma.

How are credit unions in Oklahoma ranked?

Each credit union is placed in the state of its headquarters and ranked by total assets (NCUA 5300 Account 010) from its latest quarterly call report. A credit union that has merged or closed since it filed is excluded.

Largest credit unions in other states

More in Oklahoma

Oklahoma credit union directory Largest banks in Oklahoma List of credit unions by asset size

Credit unions are insured by the National Credit Union Share Insurance Fund, not the FDIC. Search every one in the credit union directory.